Vulnerability Description
The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.15.8 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a69PatchVendor Advisory
- http://www.securitytracker.com/id/1040749Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05dPatchThird Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3630-1/Third Party Advisory
- https://usn.ubuntu.com/3630-2/Third Party Advisory
- https://usn.ubuntu.com/3632-1/Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a69PatchVendor Advisory
- http://www.securitytracker.com/id/1040749Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05dPatchThird Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3630-1/Third Party Advisory
- https://usn.ubuntu.com/3630-2/Third Party Advisory
FAQ
What is CVE-2018-8043?
CVE-2018-8043 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of se...
How severe is CVE-2018-8043?
CVE-2018-8043 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-8043?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.